<template>
  <div class="login-container">
    <div class="title-container">
      <h3 class="title">{{ $t('login.title') }}</h3>
      <!-- <lang-select class="set-language" /> -->
    </div>
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <div class="login-box-head">用户登录</div>
      <div class="login-form-inner">
        <el-form-item prop="username" class="form-border">
          <span class="svg-container">
            <svg-icon icon-class="user"/>
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            :placeholder="$t('login.username')"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
          />
        </el-form-item>

        <el-tooltip v-model="capsTooltip" content="大写锁定已开启" placement="right" manual>
          <el-form-item prop="password" class="form-border">
            <span class="svg-container">
              <svg-icon icon-class="password"/>
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="password"
              :type="passwordType"
              :placeholder="$t('login.password')"
              name="password"
              tabindex="2"
              auto-complete="on"
              @keyup.native="checkCapslock"
              @blur="capsTooltip = false"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
            </span>
          </el-form-item>
        </el-tooltip>
        <el-form-item prop="code" class="form-border">
          <div class="flex-wrap">
            <span class="svg-container">
              <svg-icon icon-class="icon"/>
            </span>
            <el-input id="code" v-model="code" placeholder="验证码"/>
            <img class="code-img" :src="codeSrc" alt="验证码" @click="getVerifyCode">
            <!--验证码组件-->
            <!--            <s-identify :identify-code="identifyCode" :content-height="48" @onClick="refreshCode"></s-identify>-->
          </div>
        </el-form-item>

        <!--<el-form-item prop="rememberMe">
          <el-checkbox v-model="loginForm.rememberMe">记住我</el-checkbox>
        </el-form-item>-->

        <el-button :loading="loading" type="primary" round @click.native.prevent="handleLogin">{{ $t('login.logIn') }}
        </el-button>

        <!-- <div style="position:relative">
          <div class="tips">
            <span>{{ $t('login.username') }} : admin</span>
            <span>{{ $t('login.password') }} : 123qwe</span>
          </div>
          <div class="tips">
            <span style="margin-right:18px;">{{ $t('login.username') }} : editor</span>
            <span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
          </div>

          <el-button
            class="thirdparty-button"
            type="primary"
            @click="showDialog=true"
          >{{ $t('login.thirdparty') }}</el-button>
        </div> -->
      </div>
    </el-form>
    <div class="declear">版权所有：青岛安信化学品安全信息科技有限公司</div>
    <el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog">
      {{ $t('login.thirdpartyTips') }}
      <br/>
      <br/>
      <br/>
      <social-sign/>
    </el-dialog>
  </div>
</template>

<script>
import { validUsername } from "@/utils/validate";
import SocialSign from "./components/SocialSignin";
// import SIdentify from './components/identify'
import { getVerifyCode } from "@/api/account";

export default {
  name: "Login",
  components: { SocialSign },
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!validUsername(value)) {
        callback(new Error("请输入正确的账号"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error("密码不少于6位"));
      } else {
        callback();
      }
    };
    // const validateCode = (rule, value, callback) => {
    //   // console.log(value, this.identifyCode);
    //   if (value !== this.identifyCode) {
    //     callback(new Error("验证码不正确"));
    //   } else {
    //     callback();
    //   }
    // };
    return {
      password: "",
      code: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "" // text框输入的验证码
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入账号" },
          { validator: validateUsername, trigger: "blur" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入密码" },
          { validator: validatePassword, trigger: "blur" }
        ],
        code: [
          { required: true, trigger: "blur", message: "请输入验证码" }
          // { validator: validateCode, trigger: "blur" }
        ],
        rememberMe: [{ required: true }]
      },
      passwordType: "password",
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      // identifyCodes: "1234567890",
      // identifyCode: "",
      codeSrc: ""
    };
  },
  watch: {
    code: function(newVal) {
      this.loginForm.code = this.$getRsaCode(newVal);
    },
    password: function(newVal) {
      this.loginForm.password = this.$getRsaCode(newVal);
    },
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
    this.getVerifyCode(); // 获取验证码
  },
  mounted() {
    if (this.loginForm.username === "") {
      this.$refs.username.focus();
    } else if (this.loginForm.password === "") {
      this.$refs.password.focus();
    }
    // this.identifyCode = "";
    // this.makeCode(this.identifyCodes, 4);
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock({ shiftKey, key } = {}) {
      if (key && key.length === 1) {
        if ((shiftKey && (key >= "a" && key <= "z")) || (!shiftKey && (key >= "A" && key <= "Z"))) {
          this.capsTooltip = true;
        } else {
          this.capsTooltip = false;
        }
      }
      if (key === "CapsLock" && this.capsTooltip === true) {
        this.capsTooltip = false;
      }
    },
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          this.$store.dispatch("account/login", this.loginForm)
            .then(() => {
              this.$store.state.session.firstLogin = true;
              location.href = "/dashboard";
              // this.$router.push({ path: this.redirect || "/" });
              this.loading = false;
            })
            .catch(() => {
              this.loading = false;
            });
        } else {
          console.log("error submit!!");
          return false;
        }
      });
    },
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
    // 验证码
    getVerifyCode() {
      getVerifyCode().then(result => {
        if (result) {
          const blob = new Blob([result]);
          this.codeSrc = URL.createObjectURL(blob);
        } else {
          this.$message({
            message: "获取验证码失败",
            type: "warning"
          });
        }
      });
    },
    // 验证码
    randomNum(min, max) {
      return Math.floor(Math.random() * (max - min) + min);
    },

    refreshCode() {
      this.identifyCode = "";
      this.makeCode(this.identifyCodes, 4);
    },
    makeCode(o, l) {
      for (let i = 0; i < l; i++) {
        this.identifyCode += this.identifyCodes[
          this.randomNum(0, this.identifyCodes.length)
          ];
      }
    }
  }
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #e8e9e8;
$light_gray: #333;
$cursor: #333;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border-radius: 5px;
    color: #454545;
  }

  .form-border {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
  }

  .is-error {
    border-color: #ff4949;
  }

  .el-button {
    width: 100%;
    margin-bottom: 80px;
    font-size: 18px;
    background: linear-gradient(90deg, #051d48, #0a50a7);
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background: #0f2657 url(../../assets/login-bg.png) no-repeat 50%;
  overflow: hidden;

  .login-form {
    width: 341px;
    height: 357px;
    position: absolute;
    left: 50%;
    top: 50%;
    margin-left: -171px;
    margin-top: -220px;
    background: #fff;
    border-radius: 6px;
  }

  .login-form-inner {
    padding: 20px 30px;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: absolute;
    transform: translate(-50%, -50%);
    white-space: nowrap;
    top: 16%;
    left: 50%;

    .title {
      color: transparent;
      font-size: 46.2px;
      background: linear-gradient(180deg, #fff, #55a2ff);
      -webkit-background-clip: text;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }

    .set-language {
      color: #fff;
      position: absolute;
      top: 3px;
      font-size: 18px;
      right: 0px;
      cursor: pointer;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  .code-img {
    cursor: pointer;
    width: 80px;
    height: 48px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}

.login-box-head {
  display: block;
  text-align: center;
  line-height: 50px;
  font-size: 24.2px;
  background: #004d9c;
  color: #fff;
  font-weight: 700;
}

.declear {
  position: absolute;
  left: 50%;
  bottom: 10%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: 14px;
  color: $dark_gray;
}

.flex-wrap {
  display: flex;
  align-items: center;
}
</style>
